{"id":2917,"date":"2021-11-22T20:48:20","date_gmt":"2021-11-22T11:48:20","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=2917"},"modified":"2022-01-22T09:12:41","modified_gmt":"2022-01-22T00:12:41","slug":"rails-tutorial-8","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/11\/22\/rails-tutorial-8\/","title":{"rendered":"Rails-tutorial\u81ea\u5206\u7528\u307e\u3068\u3081(\u7b2c8\u7ae0 \u30ed\u30b0\u30a4\u30f3\u6a5f\u69cb\u3000\u4e3b\u306b\u6f14\u7fd2\u3068\u305d\u306e\u56de\u7b54)"},"content":{"rendered":"

\u305d\u306e7\u304b\u3089\u7d9a\u304f<\/a><\/p>\n

8.1 <\/span>\u30bb\u30c3\u30b7\u30e7\u30f3<\/h2>\n

HTTP\u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9 (Stateless) \u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/em>\u3067\u3059\u3002\u6587\u5b57\u901a\u308a\u300c\u72b6\u614b (state)\u300d\u304c\u300c\u306a\u3044 (less)\u300d\u306e\u3067\u3001HTTP\u306e\u30ea\u30af\u30a8\u30b9\u30c8\uff11\u3064\uff11\u3064\u306f\u3001\u305d\u308c\u3088\u308a\u524d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u60c5\u5831\u3092\u307e\u3063\u305f\u304f\u5229\u7528\u3067\u304d\u306a\u3044\u3001\u72ec\u7acb\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a4\u30f3\u306e\u5fc5\u8981\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3 (Session)<\/em> \u3068\u547c\u3070\u308c\u308b\u534a\u6c38\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u9593 (\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30bd\u30b3\u30f3\u306eWeb\u30d6\u30e9\u30a6\u30b6\u3068Rails\u30b5\u30fc\u30d0\u30fc\u306a\u3069) \u306b\u5225\u9014\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

Rails\u3067\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u6700\u3082\u4e00\u822c\u7684\u306a\u306e\u306f\u3001cookies<\/em>\u3092\u4f7f\u3046\u65b9\u6cd5\u3067\u3059\u3002cookies\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u4fdd\u5b58\u3055\u308c\u308b\u5c0f\u3055\u306a\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n

8.1.1 <\/span>Sessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9<\/h3>\n

Sessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u751f\u6210\u3059\u308b<\/p>\n

rails generate controller Sessions new<\/pre>\n
\u30ea\u30bd\u30fc\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u6a19\u6e96\u7684\u306aRESTful\u30a2\u30af\u30b7\u30e7\u30f3\u3092get\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b red<\/strong><\/span> config\/routes.rb<\/code><\/span><\/div>\n
\n
\n
Rails<\/span>.<\/span>application<\/span>.<\/span>routes<\/span>.<\/span>draw<\/span> do<\/span>\r\n  root<\/span>   'static_pages#home'<\/span>\r\n  get<\/span>    '\/help'<\/span>,<\/span>    to<\/span>:<\/span> 'static_pages#help'<\/span>\r\n  get<\/span>    '\/about'<\/span>,<\/span>   to<\/span>:<\/span> 'static_pages#about'<\/span>\r\n  get<\/span>    '\/contact'<\/span>,<\/span> to<\/span>:<\/span> 'static_pages#contact'<\/span>\r\n  get<\/span>    '\/signup'<\/span>,<\/span>  to<\/span>:<\/span> 'users#new'<\/span>\r\n  get<\/span>    '\/login'<\/span>,<\/span>   to<\/span>:<\/span> 'sessions#new'<\/span>\r\n<\/span>  post<\/span>   '\/login'<\/span>,<\/span>   to<\/span>:<\/span> 'sessions#create'<\/span>\r\n<\/span>  delete<\/span> '\/logout'<\/span>,<\/span>  to<\/span>:<\/span> 'sessions#destroy'<\/span>\r\n<\/span>  resources<\/span> :users<\/span>\r\nend<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n
#\u30bb\u30c3\u30b7\u30e7\u30f3\u30eb\u30fc\u30eb\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/span>\r\nHTTP\u30ea\u30af\u30a8\u30b9\u30c8 URL     \u540d\u524d\u4ed8\u304d\u30eb\u30fc\u30c8 \u30a2\u30af\u30b7\u30e7\u30f3\u540d      \u7528\u9014\r\nGET          \/login  login_path    new<\/strong>       \u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u30da\u30fc\u30b8 (\u30ed\u30b0\u30a4\u30f3)\r\nPOST         \/login  login_path    create<\/strong>    \u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4f5c\u6210 (\u30ed\u30b0\u30a4\u30f3)\r\nDELETE       \/logout logout_path   destroy  <\/strong> \u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u524a\u9664 (\u30ed\u30b0\u30a2\u30a6\u30c8)<\/pre>\n
\u6f14\u7fd2<\/h3>\n
1:GET login_path\u3068POST login_path\u3068\u306e\u9055\u3044\u3092\u8aac\u660e\u3067\u304d\u307e\u3059\u304b?
\n\u5c11\u3057\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
get    '\/login',   to: 'sessions#new'\r\npost   '\/login',   to: 'sessions#create'<\/strong><\/pre>\n
<\/b>GET login_path\uff1a “\/login”\u3078\u30a2\u30af\u30bb\u30b9\u3055\u308c\u305f\u969b\u306b”sessions#new”\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c<\/p>\n
POST login_path\uff1a “sessions#create”\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u60c5\u5831\u3092”\/login”\u3078\u9001\u4fe1\u3002<\/p>\n
Get\u306f\/login\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u305f\u969b\u306bsessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306enew\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067Post\u306fsessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306ecreate\u30a2\u30af\u30b7\u30e7\u30f3\u3092\/login\u306b\u9001\u4fe1\u3059\u308b<\/p>\n
2:\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u30d1\u30a4\u30d7\u6a5f\u80fd\u3092\u4f7f\u3063\u3066rails routes\u306e\u5b9f\u884c\u7d50\u679c\u3068grep\u30b3\u30de\u30f3\u30c9\u3092\u7e4b\u3050\u3053\u3068\u3067\u3001Users\u30ea\u30bd\u30fc\u30b9\u306b\u95a2\u3059\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3060\u3051\u3092\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u540c\u69d8\u306b\u3057\u3066\u3001Sessions\u30ea\u30bd\u30fc\u30b9\u306b\u95a2\u3059\u308b\u7d50\u679c\u3060\u3051\u3092\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u73fe\u5728\u3001\u3044\u304f\u3064\u306eSessions\u30ea\u30bd\u30fc\u30b9\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u304b?<\/p>\n
rails routes | grep users#
\nrails routes | grep sessions# \uff13\u3064<\/p>\n
form_for(@user)<\/p>\n
Rails\u3067\u306f\u4e0a\u306e\u3088\u3046\u306b\u66f8\u304f\u3060\u3051\u3067\u3001
\n\u300c\u30d5\u30a9\u30fc\u30e0\u306eaction\u306f\/users\u3068\u3044\u3046URL\u3078\u306ePOST\u3067\u3042\u308b\u300d\u3068\u81ea\u52d5\u7684\u306b\u5224\u5b9a\u3057\u307e\u3059\u304c\u3001
\n\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5834\u5408\u306f\u30ea\u30bd\u30fc\u30b9\u306e\u540d\u524d\u3068\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308bURL\u3092\u5177\u4f53\u7684\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
form_for(:session, url: login_path)<\/h3>\n
8.1.2 <\/span>\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0<\/h3>\n
\u6f14\u7fd2<\/h2>\n
\u30ea\u30b9\u30c8 8.4\u3067\u5b9a\u7fa9\u3057\u305f\u30d5\u30a9\u30fc\u30e0\u3067\u9001\u4fe1\u3059\u308b\u3068\u3001Sessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306ecreate\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5230\u9054\u3057\u307e\u3059\u3002Rails\u306f\u3053\u308c\u3092\u3069\u3046\u3084\u3063\u3066\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b?
\n\u30d2\u30f3\u30c8:\u8868 8.1\u3068\u30ea\u30b9\u30c8 8.5\u306e\uff11\u884c\u76ee\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
action=”\/login” method=”post”\u304b\u3089\/login\u306bPost\u3059\u308b\u5834\u5408
\nsessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306ecreate\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081<\/p>\n
\n
8.1.3 <\/span>\u30e6\u30fc\u30b6\u30fc\u306e\u691c\u7d22\u3068\u8a8d\u8a3c<\/h3>\n<\/div>\n
\u00a0\u30e6\u30fc\u30b6\u30fc\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u898b\u3064\u3051\u3066\u691c\u8a3c\u3059\u308bapp\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n<\/span>    if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n<\/span>      # \u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a4\u30f3\u5f8c\u306b\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u30da\u30fc\u30b8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b<\/span>\r\n    else<\/span>\r\n      # \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> destroy<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
User\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Password\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 a && b
\n\u5b58\u5728\u3057\u306a\u3044\u00a0 \u00a0 \u00a0 \u00a0 \u4f55\u3067\u3082\u3088\u3044 (nil && [\u30aa\u30d6\u30b8\u30a7\u30af\u30c8]) == false
\n\u6709\u52b9\u306a\u30e6\u30fc\u30b6\u30fc \u8aa4\u3063\u305f\u30d1\u30b9\u30ef\u30fc\u30c9 (true && false) == false
\n\u6709\u52b9\u306a\u30e6\u30fc\u30b6\u30fc \u6b63\u3057\u3044\u30d1\u30b9\u30ef\u30fc\u30c9 (true && true) == true<\/p>\n
\u6f14\u7fd2<\/h3>\n
<\/p>\n
1:Rails\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u8868 8.2\u306e\u305d\u308c\u305e\u308c\u306e\u5f0f\u304c\u5408\u3063\u3066\u3044\u308b\u304b\u78ba\u304b\u3081\u3066
\n\u307f\u307e\u3057\u3087\u3046. \u307e\u305a\u306fuser = nil\u306e\u5834\u5408\u3092\u3001\u6b21\u306buser = User.first\u3068\u3057\u305f\u5834\u5408\u3092
\n\u78ba\u304b\u3081\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
\u30d2\u30f3\u30c8:!!(user && user.authenticate(‘foobar’))<\/p>\n
user = nil<\/strong>\r\n>> !!(user && user.authenticate('password00'))<\/strong>\r\n=> false<\/strong>\r\nuser = User.first<\/strong>\r\n>> !!(user && user.authenticate('password00'))<\/strong>\r\n=> true<\/strong><\/pre>\n
8.1.5 \u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u30c6\u30b9\u30c8<\/h3>\n
rails generate integration_test users_login<\/strong><\/pre>\n
1:\u30ed\u30b0\u30a4\u30f3\u7528\u306e\u30d1\u30b9\u3092\u958b\u304f get login_path
\n2:\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u30d5\u30a9\u30fc\u30e0\u304c\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/p>\n
assert_template ‘sessions\/new’<\/p>\n
3:\u308f\u3056\u3068\u7121\u52b9\u306aparams\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u3066\u30bb\u30c3\u30b7\u30e7\u30f3\u7528\u30d1\u30b9\u306bPOST\u3059\u308b<\/p>\n
post login_path, params: { session: { email: “”,password: “”,} }<\/p>\n
4:\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u30d5\u30a9\u30fc\u30e0\u304c\u518d\u5ea6\u8868\u793a\u3055\u308c\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30c3\u30bb\u30fc\u30b8\u304c
\n\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/p>\n
assert_template ‘sessions\/new’<\/p>\n
5:\u5225\u306e\u30da\u30fc\u30b8 (Home\u30da\u30fc\u30b8\u306a\u3069) \u306b\u3044\u3063\u305f\u3093\u79fb\u52d5\u3059\u308b<\/p>\n
get root_path<\/p>\n
6:\u79fb\u52d5\u5148\u306e\u30da\u30fc\u30b8\u3067\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/p>\n
assert flash.empty?<\/p>\n
flash.now\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002\u5f8c\u8005\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u7d42\u308f\u3063\u3066\u3044\u308b\u30da\u30fc\u30b8\u3067\u7279\u5225\u306b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6b8b\u7559\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u30c6\u30b9\u30c8\u00a0red<\/strong><\/span><\/span><\/div>\n
test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  test<\/span> \"login with invalid information\"<\/span> do<\/span>\r\n    get<\/span> login_path<\/span>\r\n    assert_template<\/span> 'sessions\/new'<\/span>\r\n    post<\/span> login_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> session<\/span>:<\/span> {<\/span> email<\/span>:<\/span> \"\"<\/span>,<\/span> password<\/span>:<\/span> \"\"<\/span> }<\/span> }<\/span>\r\n    assert_template<\/span> 'sessions\/new'<\/span>\r\n    assert_not<\/span> flash<\/span>.<\/span>empty?<\/span>\r\n    get<\/span> root_path<\/span>\r\n    assert<\/span> flash<\/span>.<\/span>empty?<\/span>\r\n  end<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u30c6\u30b9\u30c8\u3057\u3066red\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/strong><\/span><\/span><\/div>\n
\n
\n
rails test test\/integration\/users_login_test.rb<\/strong><\/pre>\n<\/div>\n<\/div>\n
8.2\u00a0<\/span>\u30ed\u30b0\u30a4\u30f3<\/h2>\n
Application\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306bSession\u30d8\u30eb\u30d1\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8aad\u307f\u8fbc\u3080app\/controllers\/application_controller.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> ApplicationController<\/span> <<\/span> ActionController<\/span>::<\/span>Base<\/span>\r\n  protect_from_forgery<\/span> with<\/span>:<\/span> :exception<\/span>\r\n  include<\/span> SessionsHeler\r\nend<\/span><\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
8.2.1\u00a0<\/span>log_in<\/code>\u30e1\u30bd\u30c3\u30c9<\/h3>\n
log_in<\/code>\u30e1\u30bd\u30c3\u30c9app\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in<\/span>(<\/span>user<\/span>)<\/span>\r\n    session<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u30e6\u30fc\u30b6\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308bapp\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n    if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n      log_in<\/span> user<\/span>\r\n<\/span>      redirect_to<\/span> user<\/span>\r\n<\/span>    else<\/span>\r\n      flash<\/span>.<\/span>now<\/span>[<\/span>:danger<\/span>]<\/span> =<\/span> 'Invalid email\/password combination'<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> destroy<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u6f14\u7fd2<\/h2>\n
1:\u6709\u52b9\u306a\u30e6\u30fc\u30b6\u30fc\u3067\u5b9f\u969b\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u304b\u3089cookies\u306e\u60c5\u5831\u3092\u8abf\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u3068\u304d\u3001session\u306e\u5024\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b?<\/h3>\n
\u30d2\u30f3\u30c8<\/em>: \u30d6\u30e9\u30a6\u30b6\u3067cookies\u3092\u8abf\u3079\u308b\u65b9\u6cd5\u304c\u5206\u304b\u3089\u306a\u3044? \u4eca\u3053\u305d\u30b0\u30b0\u3063\u3066\u307f\u308b\u3068\u304d\u3067\u3059!\u00a0<\/span><\/p>\n
Chrome\u3067cookie\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u300cGoogle Chrome\u306e\u8a2d\u5b9a\u300d\u30a2\u30a4\u30b3\u30f3\u2192\u300c\u8a2d\u5b9a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/b><\/div>\n
<\/div>\n
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    \n
  1. \u30da\u30fc\u30b8\u306e\u4e00\u756a\u4e0b\u306b\u3042\u308b\u300c\u8a73\u7d30\u8a2d\u5b9a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n
  2. \u300c\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8a2d\u5b9a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n
  3. \u300cCookie<\/b>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n
  4. \u300c\u3059\u3079\u3066\u306e\u00a0Cookie<\/b>\u00a0\u3068\u30b5\u30a4\u30c8\u30c7\u30fc\u30bf\u3092\u8868\u793a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n
  5. \u30c9\u30e1\u30a4\u30f3\u5225\u306bcookie<\/b>\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div>\n
    2:\u5148\u307b\u3069\u306e\u6f14\u7fd2\u8ab2\u984c\u3068\u540c\u69d8\u306b\u3001Expires<\/code>\u306e\u5024\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
    \n
    1\u3068\u540c\u3058\u624b\u9806\u3067\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
    8.2.2\u00a0<\/span>\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc<\/h3>\n
    current_user<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u30bb\u30c3\u30b7\u30e7\u30f3ID\u306b\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u308a\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
    \u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u542b\u307e\u308c\u308b\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u691c\u7d22\u3059\u308bapp\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
    \n
    \n
    module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in<\/span>(<\/span>user<\/span>)<\/span>\r\n    session<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n  end<\/span>\r\n\r\n  # \u73fe\u5728\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059 (\u3044\u308b\u5834\u5408)<\/span>\r\n  def<\/span> current_user<\/span>\r\n    if<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>\r\n<\/span>      @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n<\/span>    end<\/span>\r\n<\/span>  end\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
    \u6f14\u7fd2<\/h2>\n
    1:Rails\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001User.find_by(id: …)\u3067\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc
    \n\u304c\u691c\u7d22\u306b\u5f15\u3063\u304b\u304b\u3089\u306a\u304b\u3063\u305f\u3068\u304d\u3001nil\u3092\u8fd4\u3059\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
    user = User.find_by(id: 10)<\/strong>\r\nUser Load (0.1ms) SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" = ? LIMIT ? [[\"id\", 10], [\"LIMIT\", 1]]<\/strong>\r\n=> nil<\/strong><\/pre>\n
    2:\u5148\u307b\u3069\u3068\u540c\u69d8\u306b\u3001\u4eca\u5ea6\u306f:user_id\u30ad\u30fc\u3092\u6301\u3064session\u30cf\u30c3\u30b7\u30e5\u3092\u4f5c\u6210
    \n\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
    \u30ea\u30b9\u30c8 8.17\u306b\u8a18\u3057\u305f\u30b9\u30c6\u30c3\u30d7\u306b\u5f93\u3063\u3066\u3001||=\u6f14\u7b97\u5b50\u304c\u3046\u307e\u304f
    \n\u52d5\u304f\u3053\u3068\u3082\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n
    session = {}<\/strong>\r\n=> {}<\/strong>\r\n>> session[:user_id] = nil<\/strong>\r\n=> nil<\/strong>\r\n>> @current_user ||= User.find_by(id: session[:user_id])<\/strong>\r\nUser Load (0.2ms) SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" IS NULL LIMIT ? [[\"LIMIT\", 1]]<\/strong>\r\n=> nil<\/strong>\r\n>> session[:user_id]= User.first.id<\/strong>\r\nUser Load (0.2ms) SELECT \"users\".* FROM \"users\" ORDER BY \"users\".\"id\" ASC LIMIT ? [[\"LIMIT\", 1]]<\/strong>\r\n=> 1<\/strong>\r\n>> @current_user ||= User.find_by(id: session[:user_id])<\/strong>\r\nUser Load (0.1ms) SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" = ? LIMIT ? [[\"id\", 1], [\"LIMIT\", 1]]<\/strong>\r\n=> #<User id: 1, name: \"Rails Tutorial\", email: \"example@railstutorial.org\", created_at: \"2020-04-04 01:52:48\", updated_at: \"2020-04-04 01:52:48\", password_digest: \"$2a$10$X1rTgXx2saP84XHMnyVr5cM6iOKD...\"><\/strong><\/pre>\n
    8.2.3 <\/span>\u30ec\u30a4\u30a2\u30a6\u30c8\u30ea\u30f3\u30af\u3092\u5909\u66f4\u3059\u308b<\/h3>\n
    \u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ea\u30f3\u30af\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u8003\u3048\u3089\u308c\u308b\u306e\u306f\u3001
    \nERB\u30b3\u30fc\u30c9\u306e\u4e2d\u3067if-else\u6587\u3092\u4f7f\u7528\u3057\u3001
    \n\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u8868\u793a\u3059\u308b\u30ea\u30f3\u30af\u3092\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n
    <% if logged_in? %><\/strong>\r\n# \u30ed\u30b0\u30a4\u30f3\u30e6\u30fc\u30b6\u30fc\u7528\u306e\u30ea\u30f3\u30af<\/strong>\r\n<% else %><\/strong>\r\n# \u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u7528\u306e\u30ea\u30f3\u30af<\/strong>\r\n<% end %><\/strong><\/pre>\n
    \u3053\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306b\u306f\u3001\u8ad6\u7406\u5024\u3092\u8fd4\u3059logged_in?\u30e1\u30bd\u30c3\u30c9\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\u307e\u305a\u306f\u305d\u308c\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
    logged_in?<\/code>\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9app\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
    \n
    \n
    module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in<\/span>(<\/span>user<\/span>)<\/span>\r\n    session<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n  end<\/span>\r\n\r\n  # \u73fe\u5728\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059 (\u3044\u308b\u5834\u5408)<\/span>\r\n  def<\/span> current_user<\/span>\r\n    if<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>\r\n      @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n    end<\/span>\r\n  end\r\n<\/span><\/strong># \u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308c\u3070true\u3001\u305d\u306e\u4ed6\u306a\u3089false\u3092\u8fd4\u3059\r\n<\/span>  def<\/span> logged_in?<\/span>\r\n   !<\/span>current_user<\/span>.<\/span>nil?\r\n<\/span><\/span>  end<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
    \u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u30e6\u30fc\u30b6\u30fc\u7528\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ea\u30f3\u30af\u3092\u5909\u66f4\u3059\u308bapp\/views\/layouts\/_header.html.erb<\/code><\/strong><\/span><\/div>\n
    \n
    \n
    <<\/span>header<\/span> class<\/span>=<\/span>\"navbar navbar-fixed-top navbar-inverse\"<\/span>><\/span>\r\n  <<\/span>div<\/span> class<\/span>=<\/span>\"container\"<\/span>><\/span>\r\n    <%=<\/span> link_to<\/span> \"sample app\"<\/span>,<\/span> root_path<\/span>,<\/span> id<\/span>:<\/span> \"logo\"<\/span> %><\/span>\r\n    <<\/span>nav<\/span>><\/span>\r\n      <<\/span>ul<\/span> class<\/span>=<\/span>\"nav navbar-nav navbar-right\"<\/span>><\/span>\r\n        <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Home\"<\/span>,<\/span> root_path<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n        <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Help\"<\/span>,<\/span> help_path<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n        <%<\/span> if<\/span> logged_in?<\/span> %><\/span>\r\n<\/span>          <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Users\"<\/span>,<\/span> '#'<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n<\/span>          <<\/span>li<\/span> class<\/span>=<\/span>\"dropdown\"<\/span>><\/span>\r\n            <<\/span>a<\/span> href<\/span>=<\/span>\"#\"<\/span> class<\/span>=<\/span>\"dropdown-toggle\"<\/span> data-toggle<\/span>=<\/span>\"dropdown\"<\/span>><\/span>\r\n              Account <<\/span>b<\/span> class<\/span>=<\/span>\"caret\"<\/span>><\/<\/span>b<\/span>><\/span>\r\n            <\/<\/span>a<\/span>><\/span>\r\n            <<\/span>ul<\/span> class<\/span>=<\/span>\"dropdown-menu\"<\/span>><\/span>\r\n              <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Profile\"<\/span>,<\/span> current_user<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n<\/span>              <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Settings\"<\/span>,<\/span> '#'<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n<\/span>              <<\/span>li<\/span> class<\/span>=<\/span>\"divider\"<\/span>><\/<\/span>li<\/span>><\/span>\r\n              <<\/span>li<\/span>><\/span>\r\n                <%=<\/span> link_to<\/span> \"Log out\"<\/span>,<\/span> logout_path<\/span>,<\/span> method<\/span>:<\/span> :delete<\/span> %><\/span>\r\n<\/span>              <\/<\/span>li<\/span>><\/span>\r\n            <\/<\/span>ul<\/span>><\/span>\r\n          <\/<\/span>li<\/span>><\/span>\r\n        <%<\/span> else<\/span> %><\/span>\r\n<\/span>          <<\/span>li<\/span>><\/span><%=<\/span> link_to<\/span> \"Log in\"<\/span>,<\/span> login_path<\/span> %><\/span><\/<\/span>li<\/span>><\/span>\r\n<\/span>        <%<\/span> end<\/span> %><\/span>\r\n<\/span>      <\/<\/span>ul<\/span>><\/span>\r\n    <\/<\/span>nav<\/span>><\/span>\r\n  <\/<\/span>div<\/span>><\/span>\r\n<\/<\/span>header<\/span>><\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
    Bootstrap\u306b\u542b\u307e\u308c\u308bCSS\u306edropdown<\/code>\u30af\u30e9\u30b9\u3084dropdown-menu<\/code>\u306a\u3069\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u3001Rails\u306eapplication.js<\/code>\u30d5\u30a1\u30a4\u30eb\u3092\u901a\u3057\u3066\u3001Bootstrap\u306b\u540c\u68b1\u3055\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068jQuery\u3092\u8aad\u307f\u8fbc\u3080\u3088\u3046\u30a2\u30bb\u30c3\u30c8\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u6307\u793a\u3057\u307e\u3059<\/div>\n
    <\/div>\n
    application.js<\/code>\u306bBootstrap\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3059\u308bapp\/assets\/javascripts\/application.js<\/code><\/strong><\/span><\/div>\n
    \n
    \n
    \/\/= require rails-ujs<\/span>\r\n\/\/= require jquery<\/span>\r\n<\/span>\/\/= require bootstrap<\/span>\r\n<\/span>\/\/= require turbolinks<\/span>\r\n\/\/= require_tree .<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
    \u6f14\u7fd2<\/h3>\n
    1:\u30d6\u30e9\u30a6\u30b6\u306ecookie\u30a4\u30f3\u30b9\u30da\u30af\u30bf\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u7528\u306ecookie\u3092\u524a\u9664\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30d8\u30c3\u30c0\u30fc\u90e8\u5206\u306b\u3042\u308b\u30ea\u30f3\u30af\u306f\u975e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306e\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b?<\/p>\n
    cookie\u3092\u524a\u9664\u3057\u3066\u78ba\u8a8d\u3059\u308b\u3060\u3051<\/p>\n
    2:\u3082\u3046\u4e00\u5ea6\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u307f\u3066\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5909\u308f\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u5f8c\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3055\u305b\u3001\u518d\u3073\u975e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306b\u623b\u3063\u305f\u3053\u3068\u3082\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
    \u6ce8\u610f<\/em>: \u3082\u3057\u30d6\u30e9\u30a6\u30b6\u306e [\u9589\u3058\u305f\u3068\u304d\u306e\u72b6\u614b\u306b\u623b\u3059] \u6a5f\u80fd\u3092\u30aa\u30f3\u306b\u3057\u3066\u3044\u308b\u3068\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u3082\u5fa9\u5143\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u305d\u306e\u6a5f\u80fd\u3092\u30aa\u30f3\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u5fd8\u308c\u305a\u306b\u30aa\u30d5\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046<\/p>\n
    \u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u3060\u3051<\/p>\n
    8.2.4\u00a0<\/span>\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5909\u66f4\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n
      \n
    1. \u30ed\u30b0\u30a4\u30f3\u7528\u306e\u30d1\u30b9\u3092\u958b\u304f<\/strong><\/li>\n
    2. \u30bb\u30c3\u30b7\u30e7\u30f3\u7528\u30d1\u30b9\u306b\u6709\u52b9\u306a\u60c5\u5831\u3092post\u3059\u308b<\/strong><\/li>\n
    3. \u30ed\u30b0\u30a4\u30f3\u7528\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/li>\n
    4. \u30ed\u30b0\u30a2\u30a6\u30c8\u7528\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/li>\n
    5. \u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u7528\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/li>\n<\/ol>\n
      \u30c6\u30b9\u30c8\u7528\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308bfixture\u5411\u3051\u306edigest\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308bapp\/models\/user.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n  before_save<\/span> {<\/span> self<\/span>.<\/span>email<\/span> =<\/span> email<\/span>.<\/span>downcase<\/span> }<\/span>\r\n  validates<\/span> :name<\/span>,<\/span>  presence<\/span>:<\/span> true<\/span>,<\/span> length<\/span>:<\/span> {<\/span> maximum<\/span>:<\/span> 50<\/span> }<\/span>\r\n  VALID_EMAIL_REGEX<\/span> =<\/span> \/\\A[\\w+\\-.]+@[a-z\\d\\-.]+\\.[a-z]+\\z\/i<\/span>\r\n  validates<\/span> :email<\/span>,<\/span> presence<\/span>:<\/span> true<\/span>,<\/span> length<\/span>:<\/span> {<\/span> maximum<\/span>:<\/span> 255<\/span> },<\/span>\r\n                    format<\/span>:<\/span> {<\/span> with<\/span>:<\/span> VALID_EMAIL_REGEX<\/span> },<\/span>\r\n                    uniqueness<\/span>:<\/span> {<\/span> case_sensitive<\/span>:<\/span> false<\/span> }<\/span>\r\n  has_secure_password<\/span>\r\n  validates<\/span> :password<\/span>,<\/span> presence<\/span>:<\/span> true<\/span>,<\/span> length<\/span>:<\/span> {<\/span> minimum<\/span>:<\/span> 6<\/span> }<\/span>\r\n\r\n  # \u6e21\u3055\u308c\u305f\u6587\u5b57\u5217\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> User<\/span>.<\/span>digest<\/span>(<\/span>string<\/span>)<\/span>\r\n    cost<\/span> =<\/span> ActiveModel<\/span>::<\/span>SecurePassword<\/span>.<\/span>min_cost<\/span> ?<\/span> BCrypt<\/span>::<\/span>Engine<\/span>::<\/span>MIN_COST<\/span> :<\/span>\r\n<\/span>                                                  BCrypt<\/span>::<\/span>Engine<\/span>.<\/span>cost<\/span>\r\n<\/span>    BCrypt<\/span>::<\/span>Password<\/span>.<\/span>create<\/span>(<\/span>string<\/span>,<\/span> cost<\/span>:<\/span> cost<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a4\u30f3\u306e\u30c6\u30b9\u30c8\u3067\u4f7f\u3046fixture<\/span><\/div>\n
      test\/fixtures\/users.yml<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      michael<\/span>:<\/span>\r\n  name<\/span>:<\/span> Michael Example<\/span>\r\n  email<\/span>:<\/span> michael@example.com<\/span>\r\n  password_digest<\/span>:<\/span> <%= User.digest('password') %><\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u6709\u52b9\u306a\u60c5\u5831\u3092\u4f7f\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a4\u30f3\u3092\u30c6\u30b9\u30c8\u3059\u308b\u00a0green<\/strong><\/span><\/code><\/strong><\/span><\/div>\n
      test\/integration\/users_login_test.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n<\/span>    @user<\/span> =<\/span> users<\/span>(<\/span>:michael<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\n<\/span>  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"login with valid information\"<\/span> do<\/span>\r\n    get<\/span> login_path<\/span>\r\n    post<\/span> login_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> session<\/span>:<\/span> {<\/span> email<\/span>:<\/span>    @user<\/span>.<\/span>email<\/span>,<\/span>\r\n                                          password<\/span>:<\/span> 'password'<\/span> }<\/span> }<\/span>\r\n    assert_redirected_to<\/span> @user<\/span>\r\n    follow_redirect!<\/span>\r\n    assert_template<\/span> 'users\/show'<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> login_path<\/span>,<\/span> count<\/span>:<\/span> 0<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> logout_path<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> user_path<\/span>(<\/span>@user<\/span>)<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u30c6\u30b9\u30c8\u3057\u3066\u78ba\u8a8dgreen<\/strong><\/span><\/span><\/div>\n
      \n
      \n
      rails test test\/integration\/users_login_test.rb<\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u6f14\u7fd2<\/h2>\n
      <\/div>\n
      1:\u8a66\u3057\u306bSession\u30d8\u30eb\u30d1\u30fc\u306elogged_in?<\/code>\u30e1\u30bd\u30c3\u30c9\u304b\u3089!<\/code>\u3092\u524a\u9664\u3057\u3066\u307f\u3066\u3001\u30ea\u30b9\u30c8\u00a08.23<\/span>\u304c red<\/strong><\/span>\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/h3>\n
       <\/p>\n
      \uff01\u3092\u524a\u9664\u3057\u3066Test<\/p>\n
      2:\u5148\u307b\u3069\u524a\u9664\u3057\u305f\u90e8\u5206 (!<\/code>) \u3092\u5143\u306b\u623b\u3057\u3066\u3001\u30c6\u30b9\u30c8\u304c green<\/strong><\/span>\u306b\u623b\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
      \u3082\u3068\u306b\u623b\u3057\u3066Test<\/p>\n
      8.2.5\u00a0<\/span>\u30e6\u30fc\u30b6\u30fc\u767b\u9332\u6642\u306b\u30ed\u30b0\u30a4\u30f3<\/h3>\n
      \u30e6\u30fc\u30b6\u30fc\u767b\u9332\u4e2d\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u306b\u306f\u3001Users\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306ecreate<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u306blog_in<\/code>\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002<\/p>\n
      \u30e6\u30fc\u30b6\u30fc\u767b\u9332\u4e2d\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308bapp\/controllers\/users_controller.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      class<\/span> UsersController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> show<\/span>\r\n    @user<\/span> =<\/span> User<\/span>.<\/span>find<\/span>(<\/span>params<\/span>[<\/span>:id<\/span>]<\/span>)<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n    @user<\/span> =<\/span> User<\/span>.<\/span>new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    @user<\/span> =<\/span> User<\/span>.<\/span>new<\/span>(<\/span>user_params<\/span>)<\/span>\r\n    if<\/span> @user<\/span>.<\/span>save<\/span>\r\n      log_in<\/span> @user<\/span>\r\n<\/span>      flash<\/span>[<\/span>:success<\/span>]<\/span> =<\/span> \"Welcome to the Sample App!\"<\/span>\r\n      redirect_to<\/span> @user<\/span>\r\n    else<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  private<\/span>\r\n\r\n    def<\/span> user_params<\/span>\r\n      params<\/span>.<\/span>require<\/span>(<\/span>:user<\/span>)<\/span>.<\/span>permit<\/span>(<\/span>:name<\/span>,<\/span> :email<\/span>,<\/span> :password<\/span>,<\/span>\r\n                                   :password_confirmation<\/span>)<\/span>\r\n    end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \n
      is_logged_in?\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u3068\u4fbf\u5229\u3067\u3059\u3002
      \n\u3053\u306e\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30c6\u30b9\u30c8\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u3042\u308c\u3070true\u3092\u8fd4\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306ffalse\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
      \u6b8b\u5ff5\u306a\u304c\u3089\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u306f\u30c6\u30b9\u30c8\u304b\u3089\u547c\u3073\u51fa\u305b\u306a\u3044\u3002
      \nsession\u30e1\u30bd\u30c3\u30c9\u306f\u30c6\u30b9\u30c8\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u4ee3\u308f\u308a\u306b\u4f7f\u3044\u307e\u3059\u3002
      \n\u3053\u3053\u3067\u306f\u53d6\u308a\u9055\u3048\u3092\u9632\u3050\u305f\u3081\u3001logged_in?\u306e\u4ee3\u308f\u308a\u306bis_logged_in?\u3092
      \n\u4f7f\u3063\u3066\u3001\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u540d\u304c\u30c6\u30b9\u30c8\u30d8\u30eb\u30d1\u30fc\u3068Session\u30d8\u30eb\u30d1\u30fc\u3067\u540c\u3058\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n
      \u30c6\u30b9\u30c8\u4e2d\u306e\u30ed\u30b0\u30a4\u30f3\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8ad6\u7406\u5024\u3067\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9test\/test_helper.rb<\/code><\/strong><\/span><\/h3>\n
      \n
      \n
      ENV<\/span>[<\/span>'RAILS_ENV'<\/span>]<\/span> ||=<\/span> 'test'<\/span>\r\n.<\/span>\r\n.<\/span>\r\n.<\/span>\r\nclass<\/span> ActiveSupport<\/span>::<\/span>TestCase<\/span>\r\n  fixtures<\/span> :all<\/span>\r\n\r\n  # \u30c6\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5834\u5408\u306btrue\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> is_logged_in?<\/span>\r\n<\/span>    !<\/span>session<\/span>[<\/span>:user_id<\/span>].<\/span>nil?<\/span>\r\n<\/span>  end<\/span>\r\n<\/span>end<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \n
      \u30e6\u30fc\u30b6\u30fc\u767b\u9332\u5f8c\u306e\u30ed\u30b0\u30a4\u30f3\u306e\u30c6\u30b9\u30c8\u00a0green<\/strong><\/span><\/span><\/h3>\n
      test\/integration\/users_signup_test.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersSignupTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"valid signup information\"<\/span> do<\/span>\r\n    get<\/span> signup_path<\/span>\r\n    assert_difference<\/span> 'User.count'<\/span>,<\/span> 1<\/span> do<\/span>\r\n      post<\/span> users_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> user<\/span>:<\/span> {<\/span> name<\/span>:<\/span>  \"Example User\"<\/span>,<\/span>\r\n                                         email<\/span>:<\/span> \"user@example.com\"<\/span>,<\/span>\r\n                                         password<\/span>:<\/span>              \"password\"<\/span>,<\/span>\r\n                                         password_confirmation<\/span>:<\/span> \"password\"<\/span> }<\/span> }<\/span>\r\n    end<\/span>\r\n    follow_redirect!<\/span>\r\n    assert_template<\/span> 'users\/show'<\/span>\r\n    assert<\/span> is_logged_in?<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u3053\u308c\u3067\u3001\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3068\u00a0green<\/strong><\/span>\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
      \n
      \u00a0green<\/strong><\/span><\/span><\/div>\n
      \n
      \n
      rails test<\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \n
      \n
      \n
      \u6f14\u7fd2<\/h3>\n
      <\/div>\n
      1:\u30ea\u30b9\u30c8\u00a08.25<\/span>\u306elog_in<\/code>\u306e\u884c\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u306f\u00a0red<\/strong><\/span>\u00a0\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b?\u00a0\u305d\u308c\u3068\u3082\u00a0green<\/strong><\/span>\u00a0\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b?\u00a0\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n
      RED<\/p>\n
      2:\u73fe\u5728\u4f7f\u3063\u3066\u3044\u308b\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001app\/controllers\/users_controller.rb<\/code><\/span>\u3092\u307e\u3068\u3081\u3066\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3067\u304d\u306a\u3044\u304b\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u306e\u524d\u5f8c\u3067\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u3092\u5b9f\u884c\u3057\u3001\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3068\u00a0red<\/strong><\/span>\u00a0\u306b\u3001\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u5143\u306b\u623b\u3059\u3068\u00a0green<\/strong><\/span>\u00a0\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
      \u30d2\u30f3\u30c8<\/em>: \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u5f8c\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u306e\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u300e\u958b\u767a\u57fa\u790e\u7de8: \u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf<\/em>\u300f\u306e\u00a0\u300c\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u6a5f\u80fd\u300d\u306a\u3069\u3092\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n
      \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u3060\u3051<\/p>\n<\/div>\n<\/div>\n<\/div>\n
      \n
      8.3\u00a0<\/span>\u30ed\u30b0\u30a2\u30a6\u30c8<\/h2>\n
      \u30ed\u30b0\u30a2\u30a6\u30c8\u306e\u51e6\u7406\u3067\u306f\u3001app\/helpers\/sessions_helper.rb<\/code><\/span>\u306elog_in<\/code>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u3092\u53d6\u308a\u6d88\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u30e6\u30fc\u30b6\u30fcID\u3092\u524a\u9664\u3057\u307e\u3059<\/sup>\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306bdelete<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
      log_out<\/code>\u30e1\u30bd\u30c3\u30c9app\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in<\/span>(<\/span>user<\/span>)<\/span>\r\n    session<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  # \u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b<\/span>\r\n  def<\/span> log_out<\/span>\r\n    session<\/span>.<\/span>delete<\/span>(<\/span>:user_id<\/span>)<\/span>\r\n<\/span>    @current_user<\/span> =<\/span> nil<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u3053\u3053\u3067\u5b9a\u7fa9\u3057\u305flog_out<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001Sessions\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306edestroy<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u3082\u540c\u69d8\u306b\u4f7f\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/div>\n
      <\/div>\n
      \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7834\u68c4\u3059\u308b (\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a2\u30a6\u30c8)<\/code><\/strong><\/span><\/div>\n
      app\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n    if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n      log_in<\/span> user<\/span>\r\n      redirect_to<\/span> user<\/span>\r\n    else<\/span>\r\n      flash<\/span>.<\/span>now<\/span>[<\/span>:danger<\/span>]<\/span> =<\/span> 'Invalid email\/password combination'<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> destroy<\/span>\r\n    log_out<\/span>\r\n<\/span>    redirect_to<\/span> root_url<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a2\u30a6\u30c8\u306e\u30c6\u30b9\u30c8\u00a0green<\/strong><\/span><\/span><\/div>\n
      test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/div>\n
      \n
      \n
      require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"login with valid information followed by logout\"<\/span> do<\/span>\r\n<\/span>    get<\/span> login_path<\/span>\r\n    post<\/span> login_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> session<\/span>:<\/span> {<\/span> email<\/span>:<\/span>    @user<\/span>.<\/span>email<\/span>,<\/span>\r\n                                          password<\/span>:<\/span> 'password'<\/span> }<\/span> }<\/span>\r\n    assert<\/span> is_logged_in?<\/span>\r\n<\/span>    assert_redirected_to<\/span> @user<\/span>\r\n    follow_redirect!<\/span>\r\n    assert_template<\/span> 'users\/show'<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> login_path<\/span>,<\/span> count<\/span>:<\/span> 0<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> logout_path<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> user_path<\/span>(<\/span>@user<\/span>)<\/span>\r\n    delete<\/span> logout_path<\/span>\r\n<\/span>    assert_not<\/span> is_logged_in?<\/span>\r\n<\/span>    assert_redirected_to<\/span> root_url<\/span>\r\n<\/span>    follow_redirect!<\/span>\r\n<\/span>    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> login_path<\/span>\r\n<\/span>    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> logout_path<\/span>,<\/span>      count<\/span>:<\/span> 0<\/span>\r\n<\/span>    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> user_path<\/span>(<\/span>@user<\/span>),<\/span> count<\/span>:<\/span> 0<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u30c6\u30b9\u30c8\u3057\u3066\u78ba\u8a8dgreen<\/strong><\/span><\/span><\/div>\n
      \n
      \n
      rails test<\/strong><\/pre>\n<\/div>\n<\/div>\n
      \u6f14\u7fd2<\/h2>\n
      1:\u30d6\u30e9\u30a6\u30b6\u304b\u3089 [Log out] \u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u3069\u3093\u306a\u5909\u5316\u304c\u8d77\u3053\u308b\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001test\/integration\/users_login_test.rb<\/code><\/span>\u3067\u5b9a\u7fa9\u3057\u305f\uff13\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u5b9f\u884c\u3057\u3066\u307f\u3066\u3001\u3046\u307e\u304f\u52d5\u3044\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
      \u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u3060\u3051<\/p>\n
      2:cookies\u306e\u5185\u5bb9\u3092\u8abf\u3079\u3066\u307f\u3066\u3001\u30ed\u30b0\u30a2\u30a6\u30c8\u5f8c\u306b\u306fsession\u304c\u6b63\u5e38\u306b\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
      cookies\u306e\u4e2d\u8eab\u3092\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u3066\u898b\u308b\u3060\u3051<\/p>\n
      8\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n
      1:Rails\u306esession\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u3001\u3042\u308b\u30da\u30fc\u30b8\u304b\u3089\u5225\u306e\u30da\u30fc\u30b8\u306b\u79fb\u52d5
      \n\u3059\u308b\u3068\u304d\u306e\u72b6\u614b\u3092\u4fdd\u6301\u3067\u304d\u308b\u3002\u4e00\u6642\u7684\u306a\u72b6\u614b\u306e\u4fdd\u5b58\u306b\u306fcookies\u3082\u4f7f\u3048\u308b<\/h4>\n
      2:\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u305f\u3081\u306e\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3
      \n\u304c\u4f5c\u6210\u3067\u304d\u308b<\/h4>\n
      3:flash.now\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u3001\u63cf\u753b\u6e08\u307f\u306e\u30da\u30fc\u30b8\u306b\u3082\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30c3\u30bb\u30fc\u30b8
      \n\u3092\u8868\u793a\u3067\u304d\u308b<\/h4>\n
      4:\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u306f\u3001\u56de\u5e30\u30d0\u30b0\u3092\u9632\u3050\u3068\u304d\u306b\u4fbf\u5229<\/h4>\n
      5:session\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u3001\u30e6\u30fc\u30b6\u30fcID\u306a\u3069\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3067\u304d\u308b<\/h4>\n
      6:\u30ed\u30b0\u30a4\u30f3\u306e\u72b6\u614b\u306b\u5fdc\u3058\u3066\u3001\u30da\u30fc\u30b8\u5185\u3067\u8868\u793a\u3059\u308b\u30ea\u30f3\u30af\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/h4>\n
      7:\u7d71\u5408\u30c6\u30b9\u30c8\u3067\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u66f4\u65b0\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5909\u66f4\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b<\/h4>\n
      \u305d\u306e9\u306b\u7d9a\u304f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
      \u305d\u306e7\u304b\u3089\u7d9a\u304f 8.1 \u30bb\u30c3\u30b7\u30e7\u30f3 HTTP\u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9 (Stateless) \u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u6587\u5b57\u901a\u308a\u300c\u72b6\u614b (state)\u300d\u304c\u300c\u306a\u3044 (less)\u300d\u306e\u3067\u3001HTTP\u306e\u30ea\u30af\u30a8\u30b9\u30c8\uff11\u3064\uff11\u3064\u306f\u3001\u305d\u308c\u3088\u308a\u524d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e […]<\/p>\n","protected":false},"author":1,"featured_media":2764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,13],"tags":[],"class_list":["post-2917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-note","category-rails"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=2917"}],"version-history":[{"count":12,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2917\/revisions"}],"predecessor-version":[{"id":4535,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2917\/revisions\/4535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=2917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=2917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=2917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}